Radio Shack TRS-80 DT-1 User Manual

NTl 1 f"'.· .... er' s Manual
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HOIœ -- M:>ves the Cursor to colurnn one, row l, which is
usually the upper-left corner of the SCreen.
Invisible Video -- Characters are output, but not shown on
the SCreen, the Cursor increrœnts, and spaces are printed.
(See Transparent Video.)
Line Feed -- Maves the Cursor down one Une without
returning it to the left rrargin.
M:>ve to Tab -- Maves the Cursor to the next tab position on
that line. If tabs have been cleared, or they are not set,
the Cursor will not nove.
New Line -- Maves the Cursor to colurnn one of the next line.
Norrml Video -- Video displayed on the SCreen as specif ied
upon power-on wi th REV swi tch set to ~.
O:id Parity -- Fach tirœ a character is sent, a parity bit is
sent too. If the number of bits set in the character is
even, then the parity bit is set, resulting in an odd number
-
hence odd parity. When received, the number of bits set
in the character is again counted and, if an even number
results, then the parity bit ITllst be set. If the parity bit
is not set and the number of characters is even, the
computer knOlNS that an error in transmission has occurred.
Parallel -- The character is present aIl at once, using 7 or
8 wires wi th a unique combination of voltages on them. (See
Serial. )
parity -- An error-checking system.
Reverse Video -- Characters are displayed opposite of power-
on condition (white on black or black on white).
ROIN -- The number of Unes on a page. The IJl'-1 displays 24
rows.
SCroll - When the Cursor reaches the last Une of the
screen and a carriage return is recei ved, aIl the lines are
rroved up one Une, the top line disa~s, and the new line
is the last line (at the bottom of the Screen).
select -- Turn on. Selecting a Printer rœans that output
from the Host will he sent to the Printer.
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Radio Shack TRS-80 DT-1 Specifications

General

Brand	Radio Shack
Model	TRS-80 DT-1
Category	Desktop
Language	English